Serpin A. has helped students times in

5 thank you notes

Someone from San Francisco, United States thank you so much for your hard work
for this answer

3 months ago · Like
Someone from Tegucigalpa, Honduras Nice and easy for this answer

7 months ago · Like
Someone from Nazret, Ethiopia thanks for this answer

10 months ago · Like
Show more

Serpin A.

Serpin A. joined Socratic 3 years ago. Serpin A. hasn't written a biography yet.

4,500 karma · Switzerland

Activity 10 Answers 1 Edit

@serpin-a Serpin A. wrote an answer to You randomly draw a marble from a bag. You don't put it back before drawing a second marble. What kind of event is this? .

6 months ago · Like
@serpin-a Serpin A. wrote an answer to Could someone please help me prove this identity? #1/(secA-1) + 1/(secA+1) = 2cotAcosecA# .

6 months ago · Like
@serpin-a Serpin A. commented Apologies for not creating a table, my web browser didn't allow me to attach an image. I hope you will still get the idea though. on How to find the probability using discrete variables?

7 months ago · Like
@serpin-a Serpin A. wrote an answer to How to find the probability using discrete variables? .

7 months ago · Like
@serpin-a Serpin A. wrote an answer to How do you rationalize the denominator and simplify #14/ (sqrt7-sqrt5)#? .

2 years ago · Like
@serpin-a Serpin A. wrote an answer to What is the z-score of sample X, if #n = 36, mu= 12.3, St. Dev. =47, and mu_X =18.5#? .

2 years ago · Like
@serpin-a Serpin A. commented Have you tried to plug in some values for x to find the y values? That would be a useful way to see the pattern, If you can start with x=0 and continue with x=1,2,3,... you can see the behaviour of this equation, which is an exponential decay. Plugging in values for variables is a useful way to understand the behaviour of the function. You can double check this with using a graphing calculator. Secondly taking a number between 0 and 1 to a power results in a smaller number. Therefore for the larger x values, y will get smaller.  on How do you determine if the equation #y = 2.1(0.15)^x# represents exponential growth or decay?

2 years ago · Like
@serpin-a Serpin A. wrote an answer to For the data set 6, 34, 12, and 14, what is the range? .

3 years ago · Like
@serpin-a Serpin A. wrote an answer to How do you determine if the following data set is linear or quadratic: (-4,10), (-3,7), (-2,4), (-1,1), (0,-2)? .

3 years ago · Like
@serpin-a Serpin A. New contributor! wrote an answer to How do I determine the x and y intercept for the graph #6(x-1)=2(y+3)#? . This is one of their first answers! Leave friendly feedback in the comments and welcome them to Socratic.

3 years ago · Like
Show more activity